Re: [PATCH] connector: Some fixes for ia64 unaligned access errors

From: Matt Helsley
Date: Sat Dec 09 2006 - 02:54:52 EST


On Fri, 2006-12-08 at 19:20 -0800, Pete Zaitcev wrote:
> On Thu, 7 Dec 2006 17:22:13 -0600, Erik Jacobson <erikj@xxxxxxx> wrote:

Erik,

Thanks for cc'ing me on this patch.

> > Here, we just adjust how the variables are declared and use memcopy to
> > avoid the error messages.
> > - ev->timestamp_ns = timespec_to_ns(&ts);
> > + ev.timestamp_ns = timespec_to_ns(&ts);
>
> Please try to declare u64 timestamp_ns, then copy it into the *ev
> instead of copying whole *ev. This ought to fix the problem if
> buffer[] ends aligned to 32 bits or better.

Yes, I like this suggestion.

> Also... Since Linus does not take patches in general off l-k anymore,
> you have to find whoever herds the connector and feed the patch through
> him/her.
>
> -- Pete

I contributed and continue to follow this particular connector (Evgeniy
Polyakov wrote the generic connector code). In the past I've given my
patches to Andrew Morton and requested inclusion in -mm -- that may be
the best route (Andrew?). I'd be happy to Ack a patch implementing
Pete's suggestion.

Cheers,
-Matt Helsley

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/